Save more with this multipack this multipack comes with 10 of so you can make the savvy switch to led for less incredibly efficient lighting the saving potential of switching a single halogen or incandescent bulb to led is huge by switching over to this 5w e27 led from a 30 40w halogen youll see savings of approximately up to 120 as it consumes 90 less energy designed to last over a decade with a 25 000 hour lifespan the lumilife 5w e27 will give you 15 years of service based on ave